A019972 Decimal expansion of tangent of 74 degrees.

3, 4, 8, 7, 4, 1, 4, 4, 4, 3, 8, 4, 0, 9, 0, 8, 6, 5, 0, 6, 9, 6, 2, 2, 4, 2, 2, 5, 0, 9, 9, 3, 8, 4, 9, 6, 3, 4, 3, 0, 4, 9, 0, 8, 0, 4, 0, 9, 1, 3, 6, 9, 9, 5, 3, 5, 4, 4, 3, 7, 9, 9, 4, 5, 4, 8, 9, 7, 8, 5, 3, 2, 1, 8, 5, 7, 5, 5, 4, 4, 5, 1, 8, 0, 2, 4, 1, 1, 7, 7, 3, 0, 4, 2, 8, 5, 1, 5, 7

Offset

1,1

Comments

Also the decimal expansion of cotangent of 16 degrees. - Ivan Panchenko, Sep 01 2014

An algebraic integer of degree 24. - Charles R Greathouse IV, Feb 03 2015

Links

Ivan Panchenko, Table of n, a(n) for n = 1..1000

Index entries for algebraic numbers, degree 24

Example

3.48741444384090865069622422509938496343049080409136995...

Mathematica

RealDigits[Tan[74 Degree], 10, 120][[1]] (* Harvey P. Dale, Jul 21 2018 *)

Prog

(PARI) tan(37*Pi/90) \\ Charles R Greathouse IV, Feb 03 2015
(Magma) SetDefaultRealField(RealField(100)); R:=RealField(); Tan(37*Pi(R)/90); // G. C. Greubel, Nov 21 2018
(Sage) numerical_approx(tan(37*pi/90), digits=100) # G. C. Greubel, Nov 21 2018

Crossrefs

Cf. A019883.

Sequence in context: A255703 A255700 A255697 * A064406 A299068 A344867

Adjacent sequences: A019969 A019970 A019971 * A019973 A019974 A019975

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved